CNC Machinist (CLEARANCE REQUIRED)

Description: Role Overview Lockheed Martin Space is seeking an Experimental CNC Machinist to support precision manufacturing in a production and development environment. In this role, you will machine and inspect complex parts to exacting specifications, supporting spacecraft and space-related programs that demand accuracy, consistency, and collaboration. You will work with CNC machining centers, engineering documentation, and manufacturing teams to produce high-quality components while contributing feedback that helps improve processes and efficiency. This position is based onsite in King of Prussia, Pennsylvania. Key Duties / Responsibilities u25cf Machine, fabricate, and assemble parts according to engineering prints and operation sheets using CNC equipment u25cf Set up and operate horizontal and vertical CNC machining centers u25cf Perform machining operations such as drilling, milling, boring, and tapping u25cf Interpret Computer-Aided Design (CAD) data, prints, and sketches u25cf Verify Numerical Control (NC) code during setup and execution u25cf Perform secondary operations during machine cycles, including deburring and straightening u25cf Inspect parts before and during production using standard measuring tools such as gauges, micrometers, indicators, calipers, and depth gauges u25cf Select, install, and adjust cutting tools and machine offsets u25cf Provide feedback to Manufacturing Engineers on processes, tooling, and fixturing to support efficient production u25cf Analyze machining results against performance targets and communicate job expectations for production runs u25cf Maintain coolant levels and perform minor preventive maintenance on equipment u25cf Support production schedules by working overtime, weekends, alternate shifts, or off-Fridays when required Work Environment u25cf Hands-on manufacturing environment with CNC machining equipment u25cf Work is performed onsite in a production and experimental setting u25cf Collaboration with Manufacturing Engineers and production teams u25cf Fast-paced work aligned with program schedules and delivery targets u25cf Flexible scheduling may be required to meet production demands Company Mission & Program Overview Lockheed Martin Space designs and builds technologies that support national security, scientific discovery, and space exploration. The organization focuses on advancing spacecraft systems, strengthening resilience, and delivering reliable solutions that connect people, data, and missions across the globe. This role directly supports space programs by ensuring precision-manufactured components meet strict technical and quality requirements. Why Lockheed Martin u25cf Work on programs that have real-world impact on space, security, and technology u25cf Be part of a long-standing organization known for engineering excellence and mission-driven work u25cf Collaborate with skilled professionals across manufacturing, engineering, and operations u25cf Contribute to complex, meaningful projects that demand precision and accountability Why Youu2019ll Love This Role u25cf Hands-on machining work with challenging, high-precision components u25cf Opportunities to contribute ideas that improve manufacturing processes u25cf Exposure to experimental and production machining in a space-focused environment u25cf A role where craftsmanship, accuracy, and teamwork are valued u25cf Clear expectations and meaningful contribution to critical programs Basic Qualifications: u25cf Active Secret security clearance u25cf Ability to read and interpret engineering blueprints and technical drawings u25cf Working understanding of G-code and M-code used in Computer Numerical Control (CNC) machining u25cf Ability to independently program, edit programs, set up and run CNC or conventional machines. u25cf At least 25 years of related machining or manufacturing experience Desired Skills: u25cf Experience with Siemens 840D control systems (Celos) u25cf Experience with Mazatrol controls u25cf Working knowledge of Mastercam and NX programming software Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration. Clearance Level: Secret Other Important Information You Should Know Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings. Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility. Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits. Schedule for this Position: 9x80 every other Friday off Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration. At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility. If this sounds like a culture you connect with, youu2019re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs , and apply for roles that align with your qualifications. Experience Level: Hourly/Non-Exempt Business Unit: SPACE Relocation Available: No Career Area: Manufacturing Type: Full-Time Shift: Second

Created: 2026-02-20